Enter the tape measurements from the worksheet in inches or centimetres. The cut template updates live — print it tiled at 100% scale, tape the pages, check the calibration square, cut. Electronics: see the buy list & wiring guide.
Solid = cut line · dashed = sew line · dash-dot = spine · red dots = LED positions ·
green circles = zone centres B–E. Same drafting formula as measurement_worksheet.html
and make_pattern.py.